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Mailboxvalidator MCP Server

@MailboxValidator

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基本情報

カテゴリ

その他

ライセンス

MIT

トランスポート

stdio

作者

MailboxValidator

投稿者

Virgil

Mailboxvalidator MCP Server について

Email validation MCP server using MailboxValidator API

#mailboxvalidator#email-validation#disposable-email#free-email#validate-email

Mailboxvalidator MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "mailboxvalidator": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-mailboxvalidator"
      ],
      "env": {
        "MAILBOXVALIDATOR_API_KEY": "<YOUR_API_KEY>"
      }
    }
  }
}

Mailboxvalidator MCP Server のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

上のボタンで一時的なサンドボックスでこのサーバーを実行し、ツール一覧を取得できます。

概要

What is Mailboxvalidator?

Mailboxvalidator is a Model Context Protocol (MCP) server that validates email addresses using the MailboxValidator API. It returns validation results such as syntax checks, DNS/MX verification, disposable email detection, and more. Designed for Claude Desktop users, it enables natural language queries about email addresses.

How to use Mailboxvalidator?

Install dependencies (npm install), build the server (npm run build), then configure Claude Desktop by adding the server to claude_desktop_config.json with your API key. After restarting Claude Desktop, ask queries like “Is (email) a valid email address?” or “Is (email) a free email?” and the model will automatically generate the validation output.

Key features of Mailboxvalidator

  • Comprehensive email validation (syntax, DNS, MX, and more).
  • Disposable email detection.
  • Free email provider detection.
  • Provides JSON output with detailed validation fields.
  • Easy integration with Claude Desktop.

Use cases of Mailboxvalidator

  • Verify if an email address is reachable and syntactically correct.
  • Detect temporary or disposable email addresses.
  • Identify free email providers (e.g., Gmail, Yahoo).
  • Check for high-risk usernames or suppressed addresses.
  • Validate email reputation and greylisting status.

よくある質問

1

What tools does Mailboxvalidator provide?

Three tools: `validate_email` (full validation), `check_disposable_email` (disposable check), and `check_free_email` (free email check). Each takes an email address and returns a JSON string with relevant fields.

2

How do I get an API key?

Sign up for a free MailboxValidator account at [mailboxvalidator.com/plans](https://www.mailboxvalidator.com/plans). After logging in, retrieve your API key from your dashboard. The free plan supports up to 300 queries per month.

3

What are the system requirements?

Node.js and npm are required. The server runs locally and communicates with Claude Desktop via the MCP protocol. An internet connection is needed to call the MailboxValidator API.

4

What does the `validate_email` tool return?

It returns a JSON object with fields: Syntax, DNS & MX Server, Network & Connectivity, Greylisting, Disposable List, High Risk & Suppressed List, and Others (reputation score, etc.). If the request fails, an error message is returned as a string.

5

Can I use Mailboxvalidator without an API key?

No. An API key is mandatory. The environment variable `MAILBOXVALIDATOR_API_KEY` must be set in the Claude Desktop configuration.

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